US Bridges

Lrd Pentoga RD over Brule River

FairPosted for load

Florence County, Wisconsin · 8.0M N JCT Sth 70 · Structure no. P19001300000000

Built
1930
95 years old
Condition
Fair
inspected September 2024
Type
Truss - Thru
Steel
Length
61 ft
1 main span
Daily traffic
22
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd Pentoga RD over Brule River is a steel truss - thru carrying Lrd Pentoga RD over Brule River in Florence County, Wisconsin. It was built in 1930, so it is 95 years old, older than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 22 vehicles a day, projected to reach 24 by 2043. The structure is 61 ft (18.6 m) long and 16 ft wide. If it were closed, the detour would be 28.6 mi (46 km).

Location

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CarriesLrd Pentoga RD
CrossesBrule River
Location8.0M N JCT Sth 70
RouteCity Street 0
CountyFlorence County
StateWisconsin
Coordinates46.00189, -88.50086
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating21.6 US tons
Inventory rating12.5 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length61 ft (18.6 m)
Longest span60 ft (18.3 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22 (2024)
Projected traffic24 by 2043
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28.6 mi (46 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$266,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lrd Pentoga RD over Brule River built?

It was built in 1930, making it 95 years old in 2025.

What condition is Lrd Pentoga RD over Brule River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.

How much traffic does Lrd Pentoga RD over Brule River carry?

About 22 vehicles per day (2024 count).

How long is Lrd Pentoga RD over Brule River?

The structure is 61 ft (18.6 m) long with a longest span of 60 ft (18.3 m) and a deck 16 ft wide.

Who owns Lrd Pentoga RD over Brule River?

It is owned by the Town or Township Highway Agency.